American Psychiatric Association

Anxieties.com

Creative Healing

Complex PTSD

NAMI -  National Alliance for the Mentally Ill

Characteristics of Post-Traumatic Stress Disorder

PTSD Alliance

PTSD Support Services

National Center for PTSD

Drugs.com

HealthyPlace Depression Community

RxList (drug information)

Veteran Affairs (also of interest for explanations)
PTSD
info